338 results about "Biomass c" patented technology

The invention belongs to the technical field of biomass energy utilization, and particularly relates to a method for improving the selectivity of light aromatic hydrocarbon in a biomass product through catalytic pyrolysis of a zeolite molecular sieve catalyst. The content of medium-strong acid sites in the zeolite molecular sieve catalyst is found to have relatively strong positive correlation with the selectivity of light aromatic hydrocarbons prepared during catalytic pyrolysis of biomass, so that when the zeolite molecular sieve catalyst is used for catalytic pyrolysis of biomass, the content of the medium-strong acid sites in the zeolite molecular sieve catalyst can be increased by increasing the proportion of the medium-strong acid sites in the zeolite molecular sieve catalyst; the selectivity of light aromatic hydrocarbon in the catalytic pyrolysis product is improved.

The invention provides a method for preparing alkane olefin by catalyzing microalgae pyrolysis through an alkali modified molecular sieve, and belongs to the field of biomass energy utilization. According to the method, the ZSM-5 molecular sieve raw powder is modified by adopting the alkaline solution, so that the pore structure of the ZSM-5 molecular sieve can be improved, the distribution of acidic sites can be optimized, the regulation and control of a microalgae pyrolytic reaction path can be realized under relatively mild conditions, the deoxidation reaction can be promoted, the content of oxygen-containing products can be reduced, and the generation of alkane olefin substances can be promoted; the aromatization reaction strength is reduced, and the selectivity of light hydrocarbons is improved, so that the content of alkanes and olefins in the pyrolysis bio-oil reaches 70% or above, and the quality of the pyrolysis bio-oil is remarkably improved. Results of the embodiment show that the pyrolysis bio-oil provided by the invention is subjected to gas chromatography-mass spectrometry detection, and the alkane-olefin peak area content is greater than 70%.

The present application belongs to the technical field of biomass energy power generation, and particularly relates to a decoupling type biomass gasification power generation system and a multi-parameter collaborative control method, which comprises the following steps: 1) biomass raw materials are fed into a vertical multi-stage decoupling gasification furnace for gasification, a gasification agent and water vapor are introduced into the decoupling gasification furnace, the amount of the gasification agent and water vapor introduced is adjusted, and the temperature in the reduction zone is controlled at 700-900 DEG C; 2) the gasification products of the decoupling gasification furnace are cooled by a heat exchanger, then filtered by a filter I for the first time, water is removed by a steam-water condenser separator, pressurized by a Roots blower, filtered by a filter II for the second time, and then fed into an internal combustion engine for power generation; and 3) the gas discharged from the internal combustion engine is pressurized by an exhaust gas turbocharger, then compressed by a compressed air generator, and then fed into the decoupling gasification furnace as a gasification agent. The present application has the advantages that the present application can realize in-situ high-temperature catalytic cracking of tar, efficient utilization of waste heat, and stable operation of the system, thereby improving the power generation efficiency and reducing the equipment cost.

The utility model discloses a treatment device for preparing biomass energy from forestry and agricultural residues, and relates to the technical field of biomass energy preparation, the treatment device comprises a bottom plate and a drying box, the drying box is arranged above the bottom plate, and a plurality of fixing pipes are distributed on the upper surface of the bottom plate in a rectangular array mode; a movable rod is movably sleeved with the fixed rod, the upper end of the movable rod is fixedly connected with the drying box, a hollow plate is arranged on one side of the interior of the drying box, a plurality of nozzles are fixedly arranged on one side of the hollow plate, a transverse pipe is arranged on the other side of the hollow plate in a communicating mode, and one end of the transverse pipe extends out of the drying box. And an air heater is fixedly arranged on one side of the upper surface of the bottom plate, an air outlet of the air heater is fixedly connected with a corrugated pipe, and the upper end of the corrugated pipe communicates with the transverse pipe. According to the biomass energy drying device, prepared biomass energy can be raised and air-dried, and the drying efficiency of the biomass energy can be greatly improved.

The invention discloses a cascade energy supply and green hydrogen coupling biomass all-carbon directional conversion synthesis gas system and method, and belongs to the technical field of biomass energy conversion. The system comprises a first-stage gasification furnace, a second-stage gasification furnace, a gas-solid separator, an alkane reforming device, a reverse water-gas shift device and a water electrolysis device. The method comprises the following steps: pyrolyzing a biomass raw material and a catalyst in a primary gasifier (500-700 DEG C) to generate semicoke and tar-containing fuel gas; carrying out catalytic co-gasification on the semicoke and tar-containing fuel gas in a secondary gasifier (800-900 DEG C), and realizing tar cracking and CH4 reforming by using a catalyst to obtain crude synthesis gas; after being subjected to high-temperature dust removal, the crude synthesis gas sequentially passes through a self-heating alkane reforming device (CH4lt; 1%) and a reverse water-gas shift device, and finally synthesis gas with the H2 / CO ratio of 2: 1 is produced, so that the chemical application requirements of methanol, Fischer-Tropsch synthesis and the like are completely met, the high energy consumption bottleneck of a traditional process is broken, and full-life-cycle negative carbon emission is achieved.

The application discloses a biomass collection, storage and transportation site optimization method, and belongs to the technical field of biomass energy utilization and space optimization. The method comprises the following steps: acquiring biomass site data and trunk road information of a preset area, constructing a biomass distribution matrix of the preset area by means of geographical coordinates and density of the biomass site, setting weights of corresponding sites based on biomass density, clustering and reducing dimensions of the distribution matrix by means of the weights, and outputting a preset number of candidate site sets of biomass collection and storage stations; generating an address combination containing a preset number of optimal biomass collection and storage stations based on the candidate site sets of the biomass collection and storage stations; generating a candidate site set containing a preset number of biomass power plants along a line by means of the trunk road information; generating an address combination containing a preset number of optimal biomass power plants based on the candidate site set of the biomass power plants; and the method can accurately and economically determine an optimal address combination of biomass collection, storage and transportation in the preset area.

The invention discloses a method for judging and optimizing a raw material ratio in microwave synergistic pyrolysis, and relates to the technical field of solid waste recycling and biomass energy utilization. In order to overcome the defect that in-depth research and engineering application of a microwave pyrolysis process are restricted in the prior art, the technical scheme provided by the invention comprises the following steps: preparing samples from oily sludge and palm kernel shells according to a preset mass ratio, and mixing to obtain a mixed raw material; establishing an inert atmosphere and forming a controlled reaction system; applying microwave heating and collecting a sample mass change curve and temperature change data; comparing the mass change curve with a theoretical curve formed by weighted stacking of a single raw material pyrolysis curve to obtain a difference result; judging the synergistic effect strength among the raw materials according to the difference result, and outputting a synergistic effect judgment result; and determining an optimal ratio based on a synergistic effect judgment result. The method is suitable for raw material ratio judgment and optimization work of solid waste and biomass under the microwave synergistic pyrolysis condition.

The invention relates to the technical field of biomass energy processing, in particular to a biomass alcohol-based fuel purification device and method.The biomass alcohol-based fuel purification device comprises a purification tank and a collection pipeline communicated with the purification tank through a suction pump, and the purification tank is communicated with a liquid inlet pipeline through a suction pump; a mixing mechanism, a feeding mechanism and an anti-precipitation mechanism are arranged in the purification tank. According to the invention, the dehydrating agent and the alcohol-based fuel can be premixed, so that the dehydrating agent particles are preliminarily dispersed, and the dehydrating agent particles are more easily and uniformly mixed with the alcohol-based fuel after entering the purification tank; undissolved dehydrating agent particles are ground through the rotating screening disc, large carbon dioxide bubbles are crushed and conveyed into the mixing barrel again to participate in dissolution again, precipitation of the undissolved dehydrating agent particles is reduced, and resource waste can be reduced while the purification efficiency is improved.

The utility model relates to the technical field of biomass energy equipment, in particular to pulverizing equipment, a pulverizing unit and a system for preparing synthesis gas by taking biomass as a raw material. The powder making equipment comprises an equipment shell, a powder making inner part and a rotary separation device, wherein the powder making inner part and the rotary separation device are arranged in the equipment shell from bottom to top in sequence; powder making equipment in a synthesis gas preparation system is creatively improved, and through the structural design of a rotary separation device, the powder making equipment can obtain powder with the particle size smaller than or equal to 2 mm; when the powder preparation equipment is applied to the system for preparing the synthesis gas, the device and the system for preparing the synthesis gas are obtained by adjusting the units in the system and the close fit of the specific structures of the specific equipment in the units, and the beneficial effects that the efficiency is high, the prepared powder is uniform in particle size, and a carbonization device is not needed can be achieved.

The invention relates to the field of comprehensive utilization of biomass energy, and particularly discloses a process for preparing biological coal based on atmospheric distillation of biochar and biological oil, which comprises the following steps: performing atmospheric distillation on unpickled biochar or pickled biochar and biological oil to finally obtain light fraction and biological coal; biochar which is not subjected to acid pickling or biochar subjected to acid pickling serves as an in-situ catalyst, rich pores and oxygen-containing functional groups of the biochar can synergistically catalyze bio-oil to be subjected to condensation polymerization such as esterification and etherification, and finally the prepared bio-coal is good in combustion performance and high in productivity; the process is simple and controllable, and large-scale industrial production is expected to be carried out.

The invention discloses a biomass new energy manufacturing PLC integrated control system, which comprises a PLC main control unit, a touch screen operation interface, a sensor system, a frequency converter, a protection device and an actuator, and is characterized in that the PLC main control unit accurately controls each link through data acquisition and processing, the touch screen is used for real-time interaction with an operator, and the sensor system is used for monitoring the operation of the operator. The sensor system comprises a temperature sensor, a pressure sensor, a flow sensor and a current sensor and can monitor the equipment state in the production process in real time. By integrating a plurality of hardware devices such as the PLC, the touch screen and the temperature and humidity sensor, centralized control in the biomass energy production process is realized. The time delay and coordination problems caused by decentralized control can be effectively reduced, the operation efficiency of the system is improved, and real-time data acquisition, data processing and feedback control technologies are adopted. The system can automatically monitor equipment states, such as temperature, pressure, flow, rotating speed and the like, optimizes the production process through a PID (Proportion Integration Differentiation) adjustment algorithm, and realizes intelligentization and automation of production links.

The invention belongs to the technical field of biomass energy, and discloses an energy system based on biomass gasification, which is characterized in that biomass is converted into high-temperature synthesis gas flow by a gasification furnace, the high-temperature synthesis gas flow enters a carbon dioxide supercritical device to heat carbon dioxide fluid into supercritical fluid so as to drive power generation, and medium-high-temperature synthesis gas flow is formed; the medium-high-temperature synthesis gas flow enters the organic Rankine cycle device to heat and evaporate the organic fluid into high-enthalpy fluid to drive power generation and form medium-low-temperature synthesis gas flow, and the medium-low-temperature synthesis gas flow enters the seawater desalination device to evaporate and separate seawater into fresh water and saline water and form low-temperature synthesis gas flow; the methanol synthesis device captures hydrogen and carbon dioxide in the low-temperature synthesis gas flow and synthesizes methanol; electric energy and fresh water are obtained through stepped utilization of heat energy of synthesis gas flow, the energy utilization rate is greatly improved, hydrogen energy is obtained by capturing hydrogen in the synthesis gas flow, and carbon dioxide in the synthesis gas flow is further captured to synthesize methanol with the hydrogen.

1. Name of the product in this design: Biomass gasification furnace. 2. Purpose of this design: To convert biomass raw materials into combustible gas through high-temperature pyrolysis reaction. It is a highly efficient and clean way of utilizing biomass energy. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application provides a method for producing biogas by anaerobic fermentation of pea protein wastewater, and relates to the technical field of biomass energy utilization, wherein the chemical oxygen demand is 10000-15000 mg / L, the ammonia nitrogen is 400-800 mg / L, and the sulfate radical is 600-1000 mg / L; the method comprises the following steps: (1) gradient micro-oxygen hydrolysis acidification pretreatment; (2) physical-chemical and biochemical synergistic intensified pretreatment; and (3) anaerobic methane production. The method for producing biogas by anaerobic fermentation of pea protein wastewater is capable of effectively inhibiting sulfate reducing bacteria, reducing hydrogen sulfide generation, reducing free ammonia toxicity and accelerating hydrolysis of macromolecular organic matter through gradient micro-oxygen hydrolysis acidification. In combination with modified tourmaline ceramic and magnetization synergistic treatment, the microbial activity and mass transfer efficiency are further improved. The whole process can be stably operated, the COD removal rate, the biogas yield and the methane content are significantly improved, and the harmless treatment of the pea protein wastewater and the resource utilization of the biogas are efficiently realized.

The invention relates to the technical field of renewable energy utilization, and discloses a biomass energy circular economy system based on a multi-stage partner system and an operation method, and the system comprises a resource integration module which is used for obtaining a biomass raw material from an upstream partner; the energy and product conversion module is used for converting the biomass raw material into at least one energy product and at least one substance byproduct; the value circulation module is used for processing the substance byproducts into value-added products; and the multi-stage partner collaborative management module is used for carrying out whole-process resource collaboration, benefit distribution and cooperative relationship management on upstream partners, downstream partners and system operation related parties. According to the invention, a stock right binding mechanism based on a contribution value evaluation model is constructed, the cooperation value of the upstream raw material supplier can be accurately quantified, the long-term income right is given to the upstream raw material supplier, and the design realizes the relationship transformation from short-term buying and selling to long-term symbiosis with the raw material supplier.

The application relates to the field and provides a wastewater treatment device and method based on carbon source recovery coupled with anaerobic ammonia oxidation. The device comprises a biological flocculation tank, a vertical flow sedimentation tank, an anaerobic digestion tank, a Sharon tank, a two-stage A / O composite denitrification device and a secondary sedimentation tank. The denitrification method based on carbon source recovery coupled with anaerobic ammonia oxidation provided by the application has the advantages of low carbon source consumption, efficient denitrification of domestic sewage and recovery of biomass energy carbon source.

The invention discloses a biomass sugar solution steam stripping-hydrogenation device and a biomass sugar hydrogenation process, the biomass sugar solution steam stripping-hydrogenation device comprises: a steam stripping reaction kettle, the top of the steam stripping reaction kettle is provided with a feed pipe, and the bottom of the steam stripping reaction kettle is provided with a hydrogen inlet pipe; the fixed bed hydrogenation reactor is communicated with the steam stripping reaction kettle; the cooler is communicated with the fixed bed hydrogenation reactor; and the gas-liquid separator is communicated with the cooler. According to the present invention, the steam stripping-hydrogenation process coupling is adopted to achieve the in-situ conversion of the heat sensitive saccharide derivative, the problems of difficult separation, easy heating coking and the like of the saccharide derivative are solved, and the hydrogen circulation, the heat coupling and the integration of the process process are provided to provide the continuous, high-selectivity and low-energy-efficiency new process for preparing the biomass energy and the chemical product.

The invention belongs to the technical field of biomass energy, and particularly relates to a charcoal pyrolysis process control method which comprises the following steps: S1, raw material pretreatment; s2, optimizing process parameters; s3, real-time control; and S4, quality tracing. The near-infrared spectrometer is used for accurately detecting the water content, particle size distribution and other characteristics of the raw materials, the raw material codes are generated, a reliable basis is provided for accurate matching of subsequent process parameters, the problem that in the prior art, raw material pretreatment lacks accurate analysis is solved, the adaptability of the pyrolysis process to different raw materials is effectively improved, and the method is suitable for industrial production. And secondly, based on an LSTM pyrolysis kinetic model and a multi-target genetic algorithm, according to raw material codes, initial process parameters are automatically matched and optimized, multiple indexes such as the biochar yield, the specific surface area and the pH stability are comprehensively considered, intelligent optimal configuration of the process parameters is achieved, and the method is suitable for large-scale industrial production. The blindness of parameter adjustment in a traditional method is avoided, and the yield and quality of the biochar are improved based on the blindness.

The invention belongs to the technical field of biomass energy utilization, and particularly relates to a biogas fermentation system and method. The biogas fermentation system comprises a pretreatment section, a desulfurization section, a hydrolysis section, an acid production section and a methane production section which are sequentially arranged from top to bottom. A discharge pipe at the bottom of the pretreatment section penetrates through the liquid distributor to reach the middle part of the desulfurization section; the return pipe is connected with the liquid distributor through the pump; gas in the hydrolysis section enters the desulfurization section for desulfurization through a gas guide pipe and a floating valve group in the desulfurization section; gas in the acid production section enters the hydrolysis section through a gas guide pipe and a floating valve group in the hydrolysis section to be hydrolyzed; and gas in the methane production section enters the acid production section through a gas guide pipe and a floating valve group in the acid production section to be subjected to acid production treatment. According to the invention, CO2 removal, H2S removal, oxygen removal, ammonia removal, mercaptan removal, halogenated hydrocarbon removal and siloxane removal are carried out on the fermentation system through a plurality of strengthening means, so that high-quality biogas and functionalized biogas slurry are obtained.

The utility model discloses a system for preparing renewable natural gas by utilizing biomass, which comprises a biomass degradation system, a biomass combustion system, a biomass gasification system and a wind and light energy storage electrolysis system, the biomass degradation system comprises an anaerobic fermentation device, a purification device and a biogas storage tank I which are communicated in sequence, the biomass combustion system comprises a biomass boiler, a carbon dioxide trapping device, a methanation device I and a synthetic natural gas storage tank which are sequentially communicated, and the biomass gasification system comprises a gasification furnace, a methanation device II and a biogas storage tank II which are sequentially communicated. The wind and light energy storage electrolysis system comprises a wind power and photovoltaic power generation system and an electrolytic cell which are sequentially communicated. The biomass recycling system has the advantages that recycling treatment of different types of biomass is realized, and meanwhile, efficient development and utilization of biomass energy are also realized.

The invention provides a respiratory tract infection pathogen antibody spectrum detection method and a respiratory tract infection pathogen antibody spectrum detection system, and relates to the technical field of biomass energy industries. If yes, performing gain dynamic adjustment based on the instrument stability dynamic evaluation result and the data quality parameters, performing antibody spectrum detection by using the instrument subjected to gain dynamic adjustment, and if the instrument stability dynamic evaluation result is a normal instrument, directly performing antibody spectrum detection by using the instrument; performing flow velocity rationality dynamic evaluation based on the flux efficiency demand and the sample core parameter, and executing liquid flow dynamic adjustment based on the liquid flow quality control parameter according to a flow velocity rationality dynamic evaluation result; and dynamically generating the antibody spectrum of the respiratory tract infection pathogen based on the microsphere coding information and the fluorescence intensity signal output by the flow cytometry after the liquid flow dynamic regulation.

The invention discloses a novel VPSA method biogas decarbonization purification equipment intelligent control joint control system, belongs to the industrial automation and artificial intelligence fusion field, and comprises a global perception and data acquisition layer, an edge intelligent decision and control layer, an accurate execution and linkage control layer, and a cloud edge collaborative management and digital twinborn layer four-layer architecture. The global sensing layer is provided with a 48-node sensor network and a 10kHz acquisition card to complete data acquisition preprocessing; the edge decision-making layer carries a reinforcement learning algorithm and an LSTM-CNN model through an ARM + FPGA architecture; the precise execution layer realizes millisecond-level response through a high-speed execution mechanism and a Petri net linkage matrix; and the cloud side management layer realizes remote management and virtual debugging by relying on a cloud platform and a digital twin system, solves the problems of rigid control, weak fault early warning and the like of traditional equipment, and is suitable for the fields of biomass energy utilization and environmental protection engineering.

The invention discloses a method for efficiently utilizing biomass in a metallurgical blast furnace, which comprises the following steps: S1, pretreating a biomass raw material to obtain a biomass crushed material; s2, drying the biomass crushed material to obtain a biomass dried material; s3, baking the biomass dried material at low temperature to obtain a biomass baked material; s4, performing primary pyrolysis on the biomass baking material to obtain primary pyrolysis gas and biomass pyrolysis carbon; s5, the biomass pyrolytic carbon is subjected to secondary pyrolysis, and biochar, biomass ash and secondary pyrolysis gas are obtained; and S6, the first-stage pyrolysis gas is heated and purified, and then the purified first-stage pyrolysis gas and the purified second-stage pyrolysis gas are sprayed into the blast furnace to serve as an energy medium and a reducing agent to be utilized. According to the method, the biomass energy can be used for the metallurgical blast furnace, and the influence of alkali metal elements introduced into the biomass on the quality of blast furnace equipment and steel products can be avoided.

The invention discloses a photovoltaic base biomass energy plant selection method and application thereof, and aims to solve the problem of land resource shortage in current thermal power plant energy transformation and renewable energy utilization based on the condition of combination of photovoltaic power generation vegetation lacking and energy plant planting. The feasibility of ecological restoration and biomass energy plant production by planting energy plants in a photovoltaic base is researched, a model plant screening standard is established by indexes such as strong stress resistance, drought tolerance, shade tolerance, carbon content and cellulose content, and the growth performance, self population update and influence of perennial energy plants on the photovoltaic base are investigated. The interaction mechanism between the photovoltaic base and crops is analyzed, the improvement effect of different planting modes on the land production efficiency is analyzed, the growth effect of different plants is evaluated, the optimal configuration scheme of energy plants planted in the photovoltaic base is determined, and an efficient photovoltaic-agricultural comprehensive utilization mode is constructed. The double improvement of economic benefits and ecological benefits is realized.

The invention relates to the technical field of biomass energy conversion, in particular to a method and system for preparing sustainable aviation kerosene through methanol based on biomass gasification. The method sequentially comprises the steps of biomass gasification, purification and proportion adjustment, methanol synthesis, methanol-to-olefin conversion, oligomerization reaction and hydrofining. The selectivity of a target component is effectively improved by regulating and controlling the H2 / CO molar ratio to 2.0-2.2 and realizing multi-section conversion and heat energy gradient recovery under middle and high pressure. The condensation point of the finished product can reach-48 DEG C, the aromatic hydrocarbon mass fraction is as low as 0.22%, and the aviation fuel standard requirements are met. The method has the advantages of being high in carbon utilization rate, excellent in product quality, low in energy consumption, suitable for large-scale operation and the like, and is suitable for green manufacturing of sustainable aviation fuel.

The utility model belongs to the technical field of biomass energy conversion, and particularly relates to a high-utilization-rate biomass energy conversion device which comprises an equipment shell, and the equipment shell comprises an upper shell body and a lower shell body; the crushing mechanism comprises a driving motor, the driving motor is fixed to one side of the upper shell, the output end of the driving motor is fixedly connected with one end of a driving rod, a hammer crusher is fixed to the driving rod, and the hammer crusher is located in the upper shell; the arrangement mechanism comprises a driving push rod, the driving push rod is fixed to the top side in the lower shell, the output end of the driving push rod is rotationally connected with an extrusion plate through a transmission assembly, one side of the extrusion plate is slidably connected with the interior of the lower shell, and the bottom of the extrusion plate is slidably connected with the top of the collection box; by arranging the smashing mechanism, biomass can be rapidly smashed, it is ensured that the biomass can effectively enter the lower shell, and then the matter entering the collecting box is rapidly sorted and compressed through the sorting mechanism in the lower shell so that the matter can be conveniently stored in order.

The present application relates to low rank coal / biomass energy clean, efficient, cascade polygeneration technology field, and relates to a kind of pulverous low rank coal / biomass rapid pyrolysis device and process, including pyrolysis reactor, the shell of pyrolysis reactor is composed of cylinder and cone, cylinder and cone are integrally formed in upper and lower, both sides of cylinder top end are equipped with feed inlet, feed inlet is tangent to cylinder;Cylinder top center is equipped with upper exhaust pipe;Tapered middle lower part is equipped with stop piece, the upper part of stop piece is conical, the lower part is cylindrical shell and bottom is empty, tapered lower end is welded with discharge pipe, the lower part of stop piece is equipped with lower exhaust pipe, discharge pipe and lower exhaust pipe are coaxial, the cylinder, cone, discharge pipe, upper exhaust pipe and lower exhaust pipe are coaxial, the lower part of discharge pipe is connected with expansion bin, overflow port is equipped on the side of expansion bin.The above structural members cooperate with each other, build the reactor of centrifugal force field and gas cyclone combination, realize the rapid heating of granular raw material while effectively removing the dust in pyrolysis oil gas.

The application discloses a cold-heat-electricity-alcohol poly-generation system integrating solar biomass gasification and CO2 capture and resource utilization, which comprises a solar biomass gasification unit, a CO preferential oxidation and purification unit, a CO2 hydrogenation methanol synthesis unit, a fuel cell power generation unit and a waste heat utilization unit; a synthesis gas outlet of the solar biomass gasification unit is connected with an inlet of the CO preferential oxidation and purification unit; a hydrogen-rich gas outlet of the CO preferential oxidation and purification unit is connected with an anode inlet of the fuel cell power generation unit; a CO2 enrichment flow outlet of the CO preferential oxidation and purification unit is connected with a CO2 inlet of the CO2 hydrogenation methanol synthesis unit; and a heat output interface of the fuel cell power generation unit is connected with a heat source inlet of the waste heat utilization unit. The application can realize the collaborative consumption of solar energy and biomass energy, the resource utilization of CO2 capture and the energy cascade recovery, and can simultaneously produce electric energy, cold energy, heat energy and methanol products, and has high comprehensive efficiency and low carbon emission.